描述
n当定时条件为ON，指定的定时器对PLC内部的100ms、10ms、1ms时钟脉冲进行累加计数，当前值等于设定值时，定时器的常开触点接通，常闭触点断开。当定时条件变为OFF，定时器被复位，常开触点断开，常闭触点接通，当前值恢复为零。
SYMBOL MOTOROLA LS4208-SWZK0100ZR LS4208 WHITE SCANNER
SYMBOL MOTOROLA CS3000-SR10007R CS: KEYFOB SCANNER,BATC
NEW Motorola Symbol LS 4208 Bar Code Reader
Expedited shipping available
SYMBOL MOTOROLA LS4208-SBZK0100ZR LS4208 BLACK SCANNER
Motorola Symbol LS 4208 Bar Code Reader
Expedited shipping available
Motorola Symbol LS 4208 Bar Code Reader
Expedited shipping available
Motorola Symbol Bar Code Reader LS4208-SWZU0100ZR
Expedited shipping available
Motorola Symbol Ls 4208 Bar Code Reader – Handheld Bar
